{
  "task_id": "042",
  "instruction": "Desaturate the image by 100%.",
  "criteria": [
    {
      "id": "criterion_1",
      "description": "Compared with START, RESULT must visibly satisfy this requirement: Desaturate the image by 100%. Judge only the rendered final image, including the named subject, region, direction, color, text, geometry, and preservation constraints that are explicitly stated."
    }
  ]
}